78678075

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 153799680

約数和(自身を除く): 75121605

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 79, 105, 147, 175, 237, 245, 271, 395, 525, 553, 735, 813, 1185, 1225, 1355, 1659, 1897, 1975, 2765, 3675, 3871, 4065, 5691, 5925, 6775, 8295, 9485, 11613, 13279, 13825, 19355, 20325, 21409, 28455, 39837, 41475, 47425, 58065, 64227, 66395, 96775, 107045, 142275, 149863, 199185, 290325, 321135, 331975, 449589, 535225, 749315, 995925, 1049041, 1605675, 2247945, 3147123, 3746575, 5245205, 11239725, 15735615, 26226025, 78678075]

約数ペア:

[(1, 78678075), (3, 26226025), (5, 15735615), (7, 11239725), (15, 5245205), (21, 3746575), (25, 3147123), (35, 2247945), (49, 1605675), (75, 1049041), (79, 995925), (105, 749315), (147, 535225), (175, 449589), (237, 331975), (245, 321135), (271, 290325), (395, 199185), (525, 149863), (553, 142275), (735, 107045), (813, 96775), (1185, 66395), (1225, 64227), (1355, 58065), (1659, 47425), (1897, 41475), (1975, 39837), (2765, 28455), (3675, 21409), (3871, 20325), (4065, 19355), (5691, 13825), (5925, 13279), (6775, 11613), (8295, 9485)]